/Engine/Source/Editor/SceneOutliner/Public/ActorDescTreeItem.h
Generate a context menu for this item. Only called ifonlythis item is selected.
virtual void GenerateContextMenu ( [UToolMenu](API\Developer\ToolMenus\UToolMenu) * Menu, [SSceneOutliner](API\Editor\SceneOutliner\SSceneOutliner) & Outliner )